Ben Curtis' win Sunday at the Texas Open, his first on tour since 2006, vaulted the former British Open champion up 124 spots in this week's world rankings.
Curtis is 156th this week, but he wasn't the only big mover.
Branden Grace eared his third European Tour victory of the year at the China Open Sunday. The South African leapt 23 to No. 66 this week.
Rory McIlroy remained in first, followed by Luke Donald, Lee Westwood, Masters champion Bubba Watson, Hunter Mahan, Martin Kaymer, Steve Stricker, Tiger Woods, Phil Mickelson and Justin Rose.
Louis Oosthuizen and Adam Scott switched places this week with Oosthuizen in 11th and Scott down to 12th. Charl Schwartzel, Webb Simpson and Matt Kuchar rounded out the top 15 once again.
Jason Day inched up one to 16th and Dustin Johnson sank one to 17th. Graeme McDowell, Bill Haas and Keegan Bradley completed the top 20.